[Form 4] MediaAlpha, Inc. Insider Trading Activity

Rhea-AI Filing Summary

MediaAlpha, Inc. insider transactions show its Chief Executive Officer, President, and co‑founder selling a total of 24,000 shares of Class A common stock in three open‑market trades on December 8–10, 2025. The sales, coded as open‑market dispositions, were made under a pre‑established Rule 10b5‑1 trading plan to cover taxes from the vesting of restricted stock units.

The shares were sold in blocks of 8,000 at weighted‑average prices of $13.0732, $13.2816, and $13.4998, each representing multiple trades within stated price ranges. After these transactions, the reporting person beneficially owns 2,903,330 shares of MediaAlpha Class A common stock directly.

Insider Trade Summary

Net Seller: 24,000 shares ($318,837)

Net Sell 3 txns

Insider Yi Steven

Role See Remarks

Sold 24,000 shs ($319K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	8,000	$13.4998	$108K
Sale	Class A Common Stock	8,000	$13.2816	$106K
Sale	Class A Common Stock	8,000	$13.0732	$105K

Holdings After Transaction: Class A Common Stock — 2,903,330 shares (Direct)

Footnotes (1)

1. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person to cover taxes resulting from the vesting of RSUs. Reflects the weighted-average sale price for shares sold in multiple transactions at prices ranging from $12.89 to $13.155 per share. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Reflects the weighted-average sale price for shares sold in multiple transactions at prices ranging from $13.11 to $13.54 per share. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Reflects the weighted-average sale price for shares sold in multiple transactions at prices ranging from $13.34 to $13.76 per share. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Yi Steven

(Last) (First) (Middle)

C/O MEDIAALPHA, INC.

700 SOUTH FLOWER STREET, SUITE 640

(Street)

LOS ANGELES CA 90017

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MediaAlpha, Inc. [ MAX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

3. Date of Earliest Transaction (Month/Day/Year)
12/08/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	12/08/2025		S(1)		8,000	D	$13.0732(2)	2,919,330	D
Class A Common Stock	12/09/2025		S(1)		8,000	D	$13.2816(3)	2,911,330	D
Class A Common Stock	12/10/2025		S(1)		8,000	D	$13.4998(4)	2,903,330	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person to cover taxes resulting from the vesting of RSUs.

2. Reflects the weighted-average sale price for shares sold in multiple transactions at prices ranging from $12.89 to $13.155 per share. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

3. Reflects the weighted-average sale price for shares sold in multiple transactions at prices ranging from $13.11 to $13.54 per share. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

4. Reflects the weighted-average sale price for shares sold in multiple transactions at prices ranging from $13.34 to $13.76 per share. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Remarks:

CHIEF EXECUTIVE OFFICER, PRESIDENT, AND CO-FOUNDER

	/s/ Jeffrey B. Coyne	12/10/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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